I call BS on that whole story. My father had lung disease and was on constant oxygen. There was a small tank that fed a nasal cannula. He filled that small tank from a larger tank that looked like a small beer keg. No electronics or electricity needed, it all worked off of pressure.
> My father had lung disease and was on constant oxygen. There was a small tank that fed a nasal cannula. He filled that small tank from a larger tank that looked like a small beer keg. <
I know what you mean there. However, there are now machines that take oxygen from the air and concentrate it for use by the patient. No need for that bulky beer keg thing. But those concentrators run on electricity.
How long ago was that?
My dad died in 93 and he had an oxygen concentrator for his regular home oxygen supply. He had a little cart for a small bottle for travel or backup. Now I see people with little packs they take with them, not sure if they are portable concentrators or what.
The concentrators are reliant on power, the bottles are not as you said but don’t last long. My dad had a room full of the little bottles of oxygen because just to go to town here is what most people call a road trip.
I agree with you that if prepared ahead of time oxygen doesn’t require electricity. Most people have concentrators now though and they do require constant electricity.